Tunneling machine
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SANDVIK MINING & CONSTR OY
- Publication Date
- 2013-09-11
Smart Images
Figure 1 Figure 2 Figure 3
Abstract
Description
technical field
[0001] The invention relates to a tunnel boring machine (Streckenvortriebsmaschine) comprising a base frame with a running gear and a horizontally and vertically pivotable boom provided with a cutting device with a rotatably supported At least one tool holder at the cantilever and drivable for rotation, the tool holder carries a plurality of cutting tools at its periphery.
[0002] Furthermore, the invention relates to a method for boring a tunnel underground by means of a tunnel boring machine. Background technique
[0003] Roadheaders of the type mentioned at the outset are known as part-cut excavators (Teilschnittschrömmaschinen) and are common in at least two different constructions, wherein in both cases the boom is pivotable everywhere fixed on the rack. In a first embodiment, the grooved roller or the cutting head is rotatably mounted on the boom transversely to the longitudinal axis of the boom, and the grooved roller or cutting head is vertically m...